CN108179826B - Pin bolt type shear wall horizontal connection structure and manufacturing method and construction method thereof - Google Patents
Pin bolt type shear wall horizontal connection structure and manufacturing method and construction method thereof Download PDFInfo
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- CN108179826B CN108179826B CN201810109138.3A CN201810109138A CN108179826B CN 108179826 B CN108179826 B CN 108179826B CN 201810109138 A CN201810109138 A CN 201810109138A CN 108179826 B CN108179826 B CN 108179826B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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Abstract
The invention relates to a pin bolt type shear wall horizontal connection structure, a manufacturing method and a construction method thereof, wherein the connection structure comprises the following steps: the prefabricated shear wall is vertically arranged, two pin-bolt type connecting pieces which are oppositely arranged are arranged at two transverse ends of the prefabricated shear wall, each pin-bolt type connecting piece comprises a strip-shaped steel plate, one end of each strip-shaped steel plate is inserted into the prefabricated shear wall, the other end of each strip-shaped steel plate extends to the outside of the prefabricated shear wall, a plurality of bosses are vertically arranged on the end face of one end of each strip-shaped steel plate, which faces the outside of the prefabricated shear wall, pin-bolt insertion holes are formed in the bosses, and each component is regular in shape and convenient to mass production, transport and store; and during a small earthquake, the horizontal deformation of the shear wall is small, the grouting material, the pin type connecting piece and the pin type connecting piece unit bear the shearing force between the two prefabricated shear walls at the same time, so that the small earthquake is not broken, and during a large earthquake, the horizontal deformation of the shear wall is large, and the grouting material is destroyed, and the pin type connecting piece unit transmit the shearing force between the two shear walls, so that the earthquake-proof fortification goal of the large earthquake is realized.
Description
Technical field:
the invention relates to the technical field of assembled concrete structures, in particular to a pin bolt type shear wall horizontal connection structure, a manufacturing method and a construction method thereof.
The background technology is as follows:
the fabricated concrete building has the advantages of high construction speed, energy conservation, environmental protection, labor conservation and the like, and becomes one of the important directions of future building development. Shear wall structures are one of the important structural forms of fabricated concrete structures. When the length of the shear wall is very large, one shear wall needs to be split into 2 or more shear walls, and the split shear walls need to be assembled and connected in the horizontal direction on a construction site. The existing shear wall is mainly connected in the horizontal direction by adopting cast-in-situ reinforced concrete, the construction process is complex, and the construction quality is difficult to ensure.
Therefore, a more applicable horizontal connection structure of the pin-bolt shear wall, a manufacturing method and a construction method thereof are required to be provided, so as to solve the problems.
The invention comprises the following steps:
the invention aims to provide a pin type shear wall horizontal connection structure with the advantages of simpler construction process, easier guarantee of construction quality, good anti-seismic performance and the like, and a manufacturing method and a construction method thereof.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the invention provides a pin bolt type shear wall horizontal connection structure, which comprises the following components: the prefabricated shear wall of vertical setting the horizontal both ends of prefabricated shear wall are provided with two pin formula connecting pieces of relative setting respectively, pin formula connecting pieces include the bar steel sheet, bar steel sheet one end inserts to be located inside the prefabricated shear wall, the other end extends to the prefabricated shear wall is outside, and is facing towards the outside one end terminal surface of prefabricated shear wall is provided with a plurality of bosss along vertical, the cotter jack has been seted up on the boss, the prefabricated shear wall is concrete structure, concrete structure inside is the steel skeleton structure, the steel skeleton structure includes two rows of parallel relative setting's prefabricated shear wall longitudinal reinforcement, and every row of prefabricated shear wall longitudinal reinforcement is connected through prefabricated shear wall horizontal muscle between the two relative setting's prefabricated shear wall longitudinal reinforcement, and two rows of prefabricated shear wall longitudinal reinforcement are close to the tip of every row steel sheet is along vertical setting up a plurality of prefabricated shear wall restraint edge component stirrups, prefabricated shear wall restraint edge component stirrups one end is hooped and is located the prefabricated shear wall longitudinal reinforcement, and another end hoop is located two adjacent on the steel sheet between two adjacent recess formation bar steel sheet.
And the strip-shaped steel plate is provided with a plurality of mounting holes, and the stirrups of the prefabricated shear wall constraint edge components penetrate through the mounting holes and are connected with the strip-shaped steel plate into a whole.
And a plurality of steel plate rigidity weakening holes are also formed in the strip steel plate, and the steel plate rigidity weakening holes and the bosses are alternately arranged.
The prefabricated shear wall lacing wires of two adjacent rows are distributed in a wave shape.
The pin plug jack is a strip-shaped hole.
The surface of the strip steel plate is coated with a protective layer to prevent the strip steel plate from being corroded.
The manufacturing method of the pin bolt type shear wall horizontal connection structure comprises the following specific steps:
step one: longitudinal ribs of prefabricated shear wall are arranged in rows
The longitudinal ribs of the prefabricated shear wall are arranged in two rows and are arranged in parallel and opposite directions;
step two: mounting pin bolt type connecting piece
One end of the pin bolt type connecting piece is inserted into the prefabricated shear wall, and the other end with the boss extends to the outside of the prefabricated shear wall;
step three: preparation of reinforcement cage structure
Hooping one end of a precast shear wall constraint edge member hooping on a precast shear wall longitudinal rib, hooping the other end of the precast shear wall constraint edge member hooping on a groove formed between two adjacent bosses on the strip-shaped steel plate, arranging a plurality of precast shear wall horizontal ribs on each row of precast shear wall longitudinal ribs, binding both ends of the precast shear wall horizontal ribs on the precast shear wall constraint edge member hooping, and binding precast shear wall lacing wires on two oppositely arranged precast shear wall longitudinal ribs in each row;
step four: paving prefabricated shear wall template
Respectively paving prefabricated shear wall templates on each end face of the steel reinforcement framework structure;
step five: casting concrete
And (3) arranging pouring holes on the paved prefabricated shear wall templates, and pouring concrete into a cavity structure formed by surrounding the prefabricated shear wall templates through the pouring holes.
Step six: and curing the poured concrete, and removing the prefabricated shear wall template after the concrete is solidified to form the prefabricated shear wall.
In the first step, a plurality of steel plate rigidity weakening holes are further formed in the strip steel plate, the steel plate rigidity weakening holes are alternately arranged with the connecting channel steel, and in the fifth step, when concrete is poured, the concrete is filled in the steel plate rigidity weakening holes, so that the concrete and the strip steel plate can be shaped cooperatively, and the strip steel plate and the concrete are prevented from being deformed uncoordinated.
The construction method of the pin bolt type shear wall horizontal connection structure comprises the following specific steps:
step one: prefabricated cotter connector unit
The pin connector unit is a rectangular steel plate and is matched with the pin jack;
step two: horizontal connecting structure for assembling two pin-bolt type shear walls
Placing the two pin bolt type shear wall horizontal connecting structures side by side along the horizontal direction, and enabling bosses at two adjacent end parts of the two pin bolt type shear wall horizontal connecting structures to be in fit and alignment;
step three: plug-in pin connector unit
Inserting the pin connector unit prefabricated in the first step into pin insertion holes on the two bosses which are jointed and aligned in the second step;
step four: packaging the connection between two prefabricated shear walls
And (3) paving supporting steel templates on two longitudinal end surfaces of a connecting part between two prefabricated shear walls, wherein the two supporting steel templates are fixedly connected into a whole through bolts, grouting materials are poured into a cavity structure formed between the two prefabricated shear walls and the supporting steel templates, and after the grouting materials are solidified, the supporting steel templates are removed to complete the whole construction process.
In the fourth step, after the gap between the supporting steel template and the prefabricated shear wall is sealed by glass cement, grouting operation is carried out, so that slurry is not leaked from the tight connection between the supporting steel template and the prefabricated shear wall.
The pin bolt type shear wall horizontal connection structure has the beneficial effects of a manufacturing method and a construction method:
(1) the connecting structure has regular shapes of all components, and is convenient for mass production, transportation and storage;
(2) the connecting structure of the invention enables the prefabricated shear wall to be assembled from the horizontal direction to form the whole wall structure, and the connecting structure needs to be provided with bolts, has simpler and more convenient operation, has low requirements on personnel and environment, has less operation flow, high construction speed and saves time and labor;
(3) the transmission of vertical shearing force at the joint of two prefabricated shear walls can be well realized in terms of mechanical properties, and the connection reliability is ensured;
(4) during static load and small earthquake, the horizontal deformation of the shear wall is small, the grouting materials between the shear walls have higher strength, the grouting materials and the pin type connecting piece unit bear the shearing force between the two prefabricated shear walls at the same time, the earthquake-proof and fortification targets of 'small earthquake and not bad' can be better realized, during large earthquake, the horizontal deformation of the shear wall is large, and the grouting materials are not reinforced, so that the horizontal deformation is firstly damaged, and the shearing force between the two shear walls is mainly transmitted by the pin type connecting piece and the pin type connecting piece unit at the moment, because the pin type connecting piece and the pin type connecting piece unit are steel members, the grouting materials have better energy consumption capability, and the earthquake-proof and fortification targets of 'large earthquake and not topple-over' can be better realized. The connection has good anti-seismic performance;
(5) the boss of the strip steel plate can be designed to be narrower according to calculation, so that the distance between connecting parts of the prefabricated shear walls is relatively smaller, and therefore, the assembly rate is high, and the field wet operation is less.
Description of the drawings:
FIG. 1 is a schematic structural view of a horizontal connection structure of a pin shear wall according to the present invention;
fig. 2 is a schematic structural view of a reinforcement cage structure with a pin-type connector installed;
FIG. 3 is a schematic view of a portion of the prefabricated shear wall panel of FIG. 2 laid thereon;
FIG. 4 is a schematic view of a pin-type connector;
FIG. 5 is a schematic structural view of a pin connector unit;
FIG. 6 is a schematic view of an assembled structure of two prefabricated shear walls;
FIG. 7 is a schematic view of the structure of FIG. 6 where the support steel forms are laid;
FIG. 8 is a schematic view of an assembled structure of two shear walls;
in the figure: 1-prefabricated shear wall, 2-reinforcement cage structure, 3-prefabricated shear wall longitudinal ribs, 4-prefabricated shear wall horizontal ribs, 5-prefabricated shear wall tie bars, 6-prefabricated shear wall constraint edge component tie bars, 7-pin type connectors, 8-strip steel plates, 9-bosses, 10-pin plug jacks, 11-steel plate rigidity weakening holes, 12-mounting holes, 13-prefabricated shear wall templates, 14-pin type connector units, 15-supporting steel templates, 16-bolts, 17-grouting materials and 18-grooves.
The specific embodiment is as follows:
the following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
According to the embodiments shown in fig. 1 to 2, the horizontal connecting structure of a pin shear wall provided by the invention comprises: in the invention, a vertical precast shear wall 1 is defined as a Y direction, a horizontal direction is an X direction, a longitudinal direction is a Z direction, the precast shear wall 1 is a concrete structure, a reinforcement cage structure 2 is arranged inside the concrete structure, the reinforcement cage structure 2 comprises two rows of precast shear wall longitudinal ribs 3 which are arranged in parallel and opposite, each row of precast shear wall longitudinal ribs 3 are connected through precast shear wall horizontal ribs 4, two oppositely arranged precast shear wall longitudinal ribs 3 of each row are connected through precast shear wall tie bars 5, and adjacent two rows of precast shear wall tie bars 5 can be arranged to be distributed in a wave shape so as to reduce cost, and a plurality of precast shear wall constraint edge component hoops 6 are arranged at the ends of the two rows of precast shear wall longitudinal ribs 3, which are close to strip steel plates, along the vertical direction.
The utility model provides a prefabricated shear wall 1 transverse two tip are provided with two pin bolt connecting pieces 7 of relative setting respectively, according to the illustration of fig. 4, pin bolt connecting pieces 7 include bar steel sheet 8, bar steel sheet 8 one end is inserted and is located prefabricated shear wall 1 is inside, and the other end extends to prefabricated shear wall 1 outside, and towards prefabricated shear wall 1 outside one end terminal surface is provided with a plurality of bosss 9 along vertical, set up pin bolt jack 10 on boss 9, pin bolt jack 10 is the bar hole, prefabricated shear wall constraint edge member stirrup 6 one end, its other end hoop is located two adjacencies on the bar steel sheet 8 the recess 18 that forms between boss 9 still sets up a plurality of steel sheet rigidity weakening holes 11 on the bar steel sheet 8, just a plurality of mounting holes 12 have been seted up on the bar steel sheet 8, mounting holes 12 distribute in on four angles of weakening rigidity holes 11, the prefabricated shear wall horizontal wall part stirrup 4 pass in the bar steel sheet stirrup 6 is installed to the bar steel sheet 3 in the constraint edge stirrup 6, the prefabricated shear wall constraint edge member stirrup 3 is installed to the bar edge 3.
A protective layer is coated on the surface of the strip steel plate 8 to prevent the strip steel plate from being corroded.
The manufacturing method of the pin bolt type shear wall horizontal connection structure comprises the following specific steps:
step one: longitudinal ribs 3 of prefabricated shear wall are arranged in rows
The longitudinal ribs 3 of the prefabricated shear wall are arranged in two rows and are oppositely arranged in parallel;
step two: mounting pin type connector 7
One end of a pin bolt type connecting piece 7 is inserted into the precast shear wall 1, and the other end with a boss 9 extends to the outside of the precast shear wall 1;
step three: preparation of Reinforcement skeleton Structure 2
The prefabricated shear wall constraint edge component stirrups 6 are hooped on the prefabricated shear wall longitudinal ribs 3, the prefabricated shear wall constraint edge component stirrups 6 are penetrated into the mounting holes 12, the strip-shaped steel plates 8 and the prefabricated shear wall longitudinal ribs 3 are connected into a whole, a plurality of prefabricated shear wall horizontal ribs 4 are arranged on each row of the prefabricated shear wall longitudinal ribs 3, the end parts of the prefabricated shear wall horizontal ribs 4 penetrate through the grooves 18 and are bound on the prefabricated shear wall constraint edge component stirrups 6, and the prefabricated shear wall tie bars 5 are bound on the two oppositely arranged prefabricated shear wall longitudinal ribs 3 in each row;
step four: paving prefabricated shear wall templates 13
According to fig. 3, prefabricated shear wall templates 13 are respectively paved on the end faces of the reinforcement cage structure 2;
step five: casting concrete
And a pouring hole is formed in the paved precast shear wall template 13, concrete is poured into a cavity structure formed by surrounding the precast shear wall template 13 through the pouring hole, and the concrete is filled in the rigidity weakening holes 11 of the steel plates, so that the concrete and the strip steel plates 8 can be cooperatively shaped, and the strip steel plates 8 and the concrete are prevented from being deformed and uncoordinated.
Step six: and curing the poured concrete for 28 days, and removing the prefabricated shear wall template 13 after the concrete is solidified to form the prefabricated shear wall 1.
The construction method of the pin bolt type shear wall horizontal connection structure comprises the following specific steps:
step one: precast cotter connector unit 14
According to fig. 5, the pin connector unit 14 is a rectangular steel plate, and the pin connector unit 14 is matched with the pin insertion hole 10;
step two: horizontal connecting structure for assembling two pin-bolt type shear walls
According to fig. 6, two pin-bolt type shear wall horizontal connection structures are placed side by side along the horizontal direction, and bosses 9 at two adjacent ends of the two pin-bolt type shear wall horizontal connection structures are bonded and aligned;
step three: plug-in pin connector unit 14
Inserting the pin connector unit 14 prefabricated in the first step into the pin insertion holes 10 on the two bosses 9 which are jointed and aligned in the second step;
step four: packaging the connection between two prefabricated shear walls 1
According to fig. 7 to 8, a supporting steel form 15 is laid on two longitudinal end surfaces of a connecting portion between two prefabricated shear walls 1, the two supporting steel forms 15 are fixedly connected into a whole through bolts 16, gaps between the supporting steel form 15 and the prefabricated shear walls 1 are sealed by glass cement, grouting materials 17 are poured into a cavity structure formed between the two prefabricated shear walls 1 and the supporting steel form 15, the supporting steel form 15 and the prefabricated shear walls 1 are tightly connected without slurry leakage, and after the grouting materials 17 are solidified, the supporting steel form 15 is removed, so that the whole construction process is completed.
According to the invention, the bosses 9 and the pin plug jacks 10 are arranged on the side walls of the precast shear wall 1, and the distance between the two bosses 9 on the side walls of one part of the precast shear wall 1 is smaller than the distance between the two bosses 9 on the side walls of the other part of the precast shear wall 1, so that the butt joint assembly of the two precast shear walls 9 is facilitated, after the bosses 9 on the side edges of the two precast shear walls are butt-jointed, the pin plug connector units 14 are embedded in the pin plug jacks 10 reserved on the bosses 9, so that the two precast shear walls 1 are tightly and reliably connected, and the method has the advantages of simple assembly flow, time saving, high efficiency and the like.
The force transmission mechanism of the invention is as follows: the shearing force of the mutual dislocation between the left prefabricated shear wall 1 and the right prefabricated shear wall 1 in the horizontal direction is transmitted to the bosses 9 through the strip-shaped steel plates 8, and then the two bosses 9 are locked through the pin connector units 14 inserted into the pin insertion holes 10 of the bosses 9, so that the transmission of a part of shearing force between the two prefabricated shear walls 1 is realized; at the same time, the other part of shearing force between the two prefabricated shear walls 1 is transmitted through the solidified grouting material 17.
Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the invention without departing from the spirit and scope of the invention, which are intended to be covered by the scope of the claims.
Claims (7)
1. A manufacturing method of a pin bolt type shear wall horizontal connection structure comprises the following steps: the precast shear wall of vertical setting precast shear wall two transverse tip are provided with two pin formula connecting pieces of relative setting respectively, pin formula connecting piece includes the bar steel sheet, bar steel sheet one end inserts to be located inside the precast shear wall, the other end extends to outside the precast shear wall, and towards outside one end terminal surface of precast shear wall is provided with a plurality of bosss along vertical, the pin jack has been seted up on the boss, the precast shear wall is concrete structure, concrete structure inside is the steel skeleton structure, the steel skeleton structure includes two rows of precast shear wall longitudinal bars of parallel relative setting, and every row of precast shear wall longitudinal bars are connected through precast shear wall horizontal bar between the two relative precast shear wall longitudinal bars of setting, and two rows of precast shear wall longitudinal bars are close to the tip of every row of steel sheet is along vertical setting up a plurality of precast shear wall constraint edge component stirrups, precast shear wall constraint edge component stirrups one end is hooped and is located precast shear wall longitudinal bars, and its another end hooped locates two adjacent steel sheets are gone up between the two adjacent recess forms in order to lie in the bar steel sheet step down, and lie in its step:
step one: longitudinal ribs of prefabricated shear wall are arranged in rows
The longitudinal ribs of the prefabricated shear wall are arranged in two rows and are arranged in parallel and opposite directions; the strip steel plate is also provided with a plurality of steel plate rigidity weakening holes, and the steel plate rigidity weakening holes and the bosses are arranged alternately;
step two: mounting pin bolt type connecting piece
One end of the pin bolt type connecting piece is inserted into the prefabricated shear wall, and the other end with the boss extends to the outside of the prefabricated shear wall;
step three: preparation of reinforcement cage structure
Hooping one end of a precast shear wall constraint edge member hooping on the precast shear wall longitudinal bars, enabling the other end of the precast shear wall constraint edge member hooping to penetrate through mounting holes in the strip-shaped steel plates, arranging a plurality of precast shear wall horizontal bars on each row of precast shear wall longitudinal bars, binding two ends of each precast shear wall horizontal bar on the precast shear wall constraint edge member hooping, and binding precast shear wall lacing wires on two opposite precast shear wall longitudinal bars in each row;
step four: paving prefabricated shear wall template
Respectively paving prefabricated shear wall templates on each end face of the steel reinforcement framework structure;
step five: casting concrete
Forming a pouring hole on a paved prefabricated shear wall template, and pouring concrete into a cavity structure formed by surrounding the prefabricated shear wall template through the pouring hole; when concrete is poured, the concrete is filled in the rigidity hole of the weakened steel plate, so that the concrete and the strip steel plate can be cooperatively shaped, and the strip steel plate and the concrete are prevented from being deformed and uncoordinated;
step six: and curing the poured concrete, and removing the prefabricated shear wall template after the concrete is solidified to form the prefabricated shear wall.
2. The method for manufacturing the horizontal connecting structure of the pin-type shear wall according to claim 1, wherein the method comprises the following steps: and the strip-shaped steel plate is provided with a plurality of mounting holes, and the stirrups of the prefabricated shear wall constraint edge components penetrate through the mounting holes and are connected with the strip-shaped steel plate into a whole.
3. The method for manufacturing the horizontal connecting structure of the pin-type shear wall according to claim 1, wherein the method comprises the following steps: the prefabricated shear wall lacing wires of two adjacent rows are distributed in a wave shape.
4. The method for manufacturing the horizontal connecting structure of the pin-type shear wall according to claim 1, wherein the method comprises the following steps: the pin plug jack is a strip-shaped hole.
5. The method for manufacturing the horizontal connecting structure of the pin-type shear wall according to claim 1, wherein the method comprises the following steps: the surface of the strip steel plate is coated with a protective layer to prevent the strip steel plate from being corroded.
6. The construction method of the pin-type shear wall horizontal connection structure is characterized by comprising the following specific steps of:
step one: prefabricated cotter connector unit
The pin connector unit is a rectangular steel plate and is matched with the pin jack;
step two: horizontal connecting structure for assembling two pin-bolt type shear walls
Placing the two pin bolt type shear wall horizontal connecting structures side by side along the horizontal direction, and enabling bosses at two adjacent end parts of the two pin bolt type shear wall horizontal connecting structures to be in fit and alignment;
step three: plug-in pin connector unit
Inserting the pin connector unit prefabricated in the first step into pin insertion holes on the two bosses which are jointed and aligned in the second step;
step four: packaging the connection between two prefabricated shear walls
And (3) paving supporting steel templates on two longitudinal end surfaces of a connecting part between two prefabricated shear walls, wherein the two supporting steel templates are fixedly connected into a whole through bolts, grouting materials are poured into a cavity structure formed between the two prefabricated shear walls and the supporting steel templates, and after the grouting materials are solidified, the supporting steel templates are removed to complete the whole construction process.
7. The construction method according to claim 6, wherein: in the fourth step, after the gap between the supporting steel template and the prefabricated shear wall is sealed by glass cement, grouting operation is carried out, so that slurry is not leaked from the tight connection between the supporting steel template and the prefabricated shear wall.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810109138.3A CN108179826B (en) | 2018-02-05 | 2018-02-05 | Pin bolt type shear wall horizontal connection structure and manufacturing method and construction method thereof |
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| CN201810109138.3A CN108179826B (en) | 2018-02-05 | 2018-02-05 | Pin bolt type shear wall horizontal connection structure and manufacturing method and construction method thereof |
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| CN109680832A (en) * | 2019-02-21 | 2019-04-26 | 汉尔姆建筑科技有限公司 | Precast shear wall unit, spigot-and-socket shear wall and building |
| CN113136989A (en) * | 2021-04-21 | 2021-07-20 | 浙江展诚建设集团股份有限公司 | Assembled shear force wall tooth's socket type connection structure |
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